Results of national weed surveys in arable land during the past 50 years in Hungary
Á Tóth, Plant Health and Soil Conservation Station, Budapest, Hungary
G Benécs-Bárdi, Plant Health and Soil Conservation Station, Gődőllő Koltán, Hungary
G Balzás, Cyanamid Hungary Ltd, Budapest, Hungary

Biodiversity of the seed bank of a herb-rich meadow and an adjacent field
H Connolly and R E L Naylor, University of Aberdeen, UK

The incidence of weeds in UK sugar beet crops during autumn 1998
M A Lainsbury and J G Hilton, Morley Research Centre, Wymondham, UK
A Burn, English Nature, Peterborough, UK

Auditing the arable flora – problems and some possible solutions
P Wilson, Wessex Environmental Associates, Redlynch, UK
S Kay, The Northmoor Trust, Abingdon, UK
J Phillips and L Lock, RSPB, Exeter, UK

Pre- and post-dispersal weed seed predation and its implications to agriculture
C J Swanton, J T Griffiths, H E Cromar and B D Booth, University of Guelph, Canada

Tolerance of transgenic soybean (Glycine max) to heat stress
J M Gertz Jr, W K Vencill and N S Hill, University of Georgia, Athens, USA

Responses of five plant species sprayed with sublethal doses of metasulfuron methyl

C Boutin, National Wildlife Research Centre, Québec, Canada
H-B Lee, T E Peart, S P Batchelor and R J Maguire, National Water Research Institute, Burlington, Canada

The control of weeds with glufosinate-ammonium in genetically modified crops of forage maize in the UK
M A Read and J G Ball, AgrEvo UK Ltd, King’s Lynn, UK

Modelling the impact of transgenic herbicide-tolerant oilseed rape on weed population dynamics
N McRoberts, G Marshall and C J Doyle, SAC, Auchincruive, UK
D H K Davies, SAC, Penicuik, UK

Modelling the environmental effects of farm management within whole farm planning: e.g. herbicide use
J E Sells, Silsoe Research Institute, Bedford, UK